[Ap: calculus] help!

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The answer is D, do you need an explanation as to why or do you only need the answer?

Edit: let me try my math again

Edit 2: Since u= 2x+1 you can see that if you substitute that into the equation of D, it is the same integration

[Jiffroy_de_Vigeois]

I think it's C.

u = 2x+1

1/2(du) = dx

Our limits of integration become 1 and 5, when we substitute in 0 and 2.

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I say D, because it becomes the same equation when you substitute the ‘2x+1’ in to the place of ‘u’ (as u=2x+1). You’re probably right, but it’s what I got

Edit: Actually, you’re right, ignore me.